Gaya APA
      Jefferis, A., Madsen, D, A. (1991).
    Architectural drafting n design / Alan Jefferis, David A. Madsen (Ed.ke-2).
    :
  .
  
Gaya MLA
      Jefferis, Aalan., Madsen, David, A..
    "Architectural drafting n design / Alan Jefferis, David A. Madsen".
    Ed.ke-2
    :
  ,
  1991.
  Textbook.